Wohler AMP1-E8MDA-3G 8-Channel Dolby Audio Monitor

Wohler AMP1-E8MDA-3G 8-Channel Dolby Audio Monitor

Wohler AMP1-E8MDA-3G 8-Channel Dolby Audio Monitor


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Expected availability: 2-4 weeks

Product Highlights

  • Features 1RU In-Rack Audio Monitor
  • Front Panel Summing Any Combo Up to 8 CH
  • Tri-Color 26-Segment LED Bar Graphs x 8
  • Bar Graphs Display Simultaneous VU & PPM
  • Premium Quality Drivers & Power Amps
  • Indicators for Phase/Polarity Problems
  • Decode & Play Dolby E & Dolby Digital
  • Dual L/R Meter Brightness Adjustments
  • A Single Button Changes Configurations
  • Headphone Jack (Mutes Speakers)
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Wohler AMP1-E8 overview

  • 1Description

The one-of-a-kind Wohler AMP1-E8MDA-3G 8-Channel Dolby Audio Monitor is a 1RU in-rack audio monitor with the ability to output and/or display encoded multi-channel audio from Dolby E or Dolby Digital bitstreams that were de-embedded from 3G/HD/SD-SDI or decoded from AES. You can support this process for up to eight channels. Plus, the monitor features the ability to seamlessly switch between encoded or discrete Pulse-Code Modulation (PCM) sources. It's also able to provide full and simultaneous demultiplexing output of the multi-channel source, which basically means that the processor can split files that contain video, audio and other data into separate files that contain one element of the original file.

Each AMP1-E8MDA-3G comes outfitted with four high-quality drivers and three power amplifiers that would impress any audiophile. Two speakers and amplifiers reproduce mid-range and high frequency (HF) information in stereo, while a third amplifier and two speakers handle summed low frequency (LF) information below the 500 Hz crossover point. You can also take advantage of HF response electrically to reveal potential noise problems, rather than relying on acoustic cancellation of bass frequencies.

Besides superior functionality, the AMP1-E8MDA-3G also boasts a modern design aesthetic that is optimally constructed to provide focused and clear sound for operators in an ultra-near field environment ranging from one to three feet. The inclusion of optimized speakers eliminates the need for awkward monitor placement, as well as enabling a higher sound pressure level (SPL) for the audio engineer, while reducing the overall ambient noise and crosstalk that disrupts authentic and accurate monitoring. Although its 1RU unique design with in-rack monitors and high-quality eight channel monitoring make this unit ideal for broadcasting and other audio monitoring/processing applications in any environment, they truly shine when used in VTR bays, mobile production vehicles, teleconferencing installations, multimedia systems, satellite links, cable TV facilities and on-air radio studios.


Accoutered with thorough magnetic shielding to prevent any interference when device is placed near any sensitive equipment and/or video monitors
Front panel summing of any combination up to eight channels to the left and/or right speakers and selected analog outputs
Monitor features eight, 26-segment tri-color LED bar graphs that display simultaneous VU and PPM
Audible indications of phase/polarity problems
Premium quality drivers and power amplifiers
Phase-correlation display of selected channels
Excellent frequency response and low distortion
Powerful 104dB SPL @ 2.0' (61 cm)
Headphone jack (mutes speakers)


Select the single channel or channel pair that you want in the left speaker, right speaker, or even both speakers; you can select a predefined downmix as well
Conveniently, the audio monitor features four programmable presets that allow you to change the entire system configuration with the press of a single button
The monitor's LED screen displays several source, program and level information including: phase, signal type, 3G/HD/SD-SDI group for the 3G models, Dolby Program and more
For added control over the unit, Wohler made sure to equip both the left and right level meters with their own - separate - brightness adjustments
This model decodes and monitors/plays any decoded Dolby E, as well as Dolby Digital bitstreams
Small rack space requirements make this model perfectly suited for use in space-critical environments
You can quickly and easily display phase indication with the press of a single button
In the Box
Wohler AMP1-E8MDA-3G 8-Channel Dolby Audio Monitor
  • AC External Power Unit / Cord
  • CD-ROM (Software & Product Guide)
  • 1-Year Limited Warranty
  • Table of Contents
    • 1Description

    Wohler AMP1-E8 specs

    Inputs 4 x Unbalanced AES/PCM Pairs (BNC)
    4 x AES Balanced Pairs (1 DB-25)
    2 x Dolby E/AC-3 (BNC)
    2 x 3G/HD/SD-SDI (BNC)
    8 x Analog Channels (1 DB-25)
    Outputs 1 x Reclocked 3G/HD/SD-SDI (BNC)
    4 x Balanced AES Pairs Loop Out (DB-25)
    4 x Unbalanced AES Pairs (1 HD-15) / Option for Balanced AES (DB-25) Converted from SDI
    5 x Decoded Dolby E/AC-3 (BNC)
    1 x Unbalanced AES Pair Mix Out of Dolby Source
    8 x Metered Analog Channels (1 DB-25)
    2 x Selected Downmix Analog (2 XLR)
    Other Rear Panel Connectors 3 x RS-232 (DB-9)
    Peak Acoustic Output at 2 feet 104 dB SPL
    Magnetic Shielding <0.8 gauss any adjacent surface
    Hum & Noise Better than -68dB below full output
    Electrical Distortion <0.15% @ any level below limit threshold
    Acoustic Distortion Frequencies Above 140 Hz (Including Cabinet Resonance): Typically <1.5% (6% or less worst case)
    Acoustic Frequency Response 80Hz - 16kHz (±5dB) / -10dB @ 40Hz, 20kHz
    Analog Input Impedance >40 kohm (Balanced)
    Scale Reference Analog: +8/+6/+4/0 dBu
    Digital: -20/-18/-9 dBFS
    AES/EBU Input Termination Balanced: 110 ohm
    Unbalanced: 75 ohm
    3G/HD/SD-SDI Input Termination Unbalanced: 75 ohm
    Electrical Meter Bandwidth 20Hz - 20kHz (±0.5dB)
    Rack Height 1RU (requires only 1 slot in standard 19.0" [48.3 cm] rack)
    Power Output RMS Left Side: 10W (14W Peak)
    RMS Right Side: 10W (14W Peak)
    RMS Center Woofer: 25W (35W Peak)
    Power Connector Standard External Power Cord (for standard US outlet)
    Alternate Power Cables Available (sold separately)
    Power Requirements AC 100 - 240 V ±10%, 50/60 Hz
    Power Consumption 60W
    Dimensions (HxWxD) 1.75 x 19.0 x 13.5" (4.5 x 48.3 x 34.3 cm)
    Weight 18 lb (8.2 kg)
    Packaging Info
    Package Weight 15.65 lb
    Box Dimensions (LxWxH) 23.7 x 17.1 x 8.4"

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